1 #ifndef __ASM_SH_FTRACE_H 2 #define __ASM_SH_FTRACE_H 3 4 #ifdef CONFIG_FUNCTION_TRACER 5 6 #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ 7 #define FTRACE_SYSCALL_MAX NR_syscalls 8 9 #ifndef __ASSEMBLY__ 10 extern void mcount(void); 11 12 #define MCOUNT_ADDR ((long)(mcount)) 13 14 #ifdef CONFIG_DYNAMIC_FTRACE 15 #define CALL_ADDR ((long)(ftrace_call)) 16 #define STUB_ADDR ((long)(ftrace_stub)) 17 #define GRAPH_ADDR ((long)(ftrace_graph_call)) 18 #define CALLER_ADDR ((long)(ftrace_caller)) 19 20 #define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4) 21 #define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4) 22 23 struct dyn_arch_ftrace { 24 /* No extra data needed on sh */ 25 }; 26 27 #endif /* CONFIG_DYNAMIC_FTRACE */ 28 29 static inline unsigned long ftrace_call_adjust(unsigned long addr) 30 { 31 /* 'addr' is the memory table address. */ 32 return addr; 33 } 34 35 #endif /* __ASSEMBLY__ */ 36 #endif /* CONFIG_FUNCTION_TRACER */ 37 38 #ifndef __ASSEMBLY__ 39 40 /* arch/sh/kernel/return_address.c */ 41 extern void *return_address(unsigned int); 42 43 #define ftrace_return_address(n) return_address(n) 44 45 #endif /* __ASSEMBLY__ */ 46 47 #endif /* __ASM_SH_FTRACE_H */ 48